Auto Dealer Supplies & Dealership Advertising | Sid Savage auto dealer supplies, car dealership supply, promotional products, advertising supplies, promotional balloons, keytags, Sid Savage Sid Savage opened his first used car business in 1946. After successfully owning several lots and working with his fellow Dealers in the Detroit area, he realized the need of quickly finding products to increase the value of the cars on his lot and sales products to stimulate walk-in traffic.